Frank Hilder (3 October 1864 - 23 April 1951) was the Conservative MP for the South East Essex constituency from 1918 to 1923. Hilder was born in 1854, the son of Edward Martin Hilder of Ash, Kent. He was educated privately. In 1895 he married Evelyn Mary Wood, the daughter of Lieutenant Colonel G W Wood, in Ingatestone, Essex. The couple lived at Huskards also in Ingatestone. In 1906 Hilder was made a Justice of the Peace for the county of Essex. In 1935 Hilder was appointed the High Sheriff of Essex. He died at his home in Ingatestone on 23 April 1951 aged 86.